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National Stock Number:
5306-01-435-7779
Federal Supply Class:
5306
National Item Identification Number:
014357779
Description:
BOLT,SHEAR
Detail:
A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See BOLT, MACHINE and BOLT, CLEVIS.
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Manufacturer Information:
| BACB30LE6-34 | 06710 | VALLEY-TODECO, INC. | | BACB30LE6-34 | 06725 | SPS TECHNOLOGIES, LLC | | BACB30LE6-34 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACB30LE6-34 | 17446 | HUCK INTERNATIONAL, INC | | BACB30LE6-34 | 17943 | FEDERAL MANUFACTURING CORP | | BACB30LE6-34 | 27624 | SPS TECHNOLOGIES LLC | | BACB30LE6K34 | 06710 | VALLEY-TODECO, INC. | | BACB30LE6K34 | 06725 | SPS TECHNOLOGIES, LLC | | BACB30LE6K34 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BACB30LE6K34 | 17446 | HUCK INTERNATIONAL, INC | | BACB30LE6K34 | 17934 | ELASTOMERICS ENGINEERING INC | | BACB30LE6-34 | 56878 | SPS TECHNOLOGIES, LLC | | BACB30LE6-34 | 57928 | SONIC INDUSTRIES, INC. | | BACB30LE6-34 | 81205 | THE BOEING COMPANY | | BACB30LE6K34 | 27624 | SPS TECHNOLOGIES LLC | | BACB30LE6K34 | 56878 | SPS TECHNOLOGIES, LLC | | BACB30LE6K34 | 57928 | SONIC INDUSTRIES, INC. | | BACB30LE6K34 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.643 INCHES NOMINAL | | FASTENER LENGTH | 2.753 INCHES MINIMUM AND | | 2.783 INCHES MAXIMUM | | MATERIAL | IRON ALLOY 660 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE 2, CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL | | MINIMUM TENSILE STRENGTH | 200000 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HEAD HEIGHT | 0.330 INCHES MINIMUM AND | | 0.350 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.422 INCHES MINIMUM AND | | 0.437 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.639 INCHES MINIMUM AND | | 0.649 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.081 INCHES MINIMUM AND | | 0.101 INCHES MAXIMUM | | GRIP LENGTH | 2.115 INCHES MINIMUM AND | | 2.135 INCHES MAXIMUM | | GRIP DIAMETER | 0.3729 INCHES MINIMUM AND | | 0.3735 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | 32.0 MICROINCHES GRIP | | 32.0 MICROINCHES THREADS |
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